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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 4 |
| 1966 | 8 |
| 1967 | 2 |
| 1968 | 1 |
| 1970 | 8 |
| 1971 | 1 |
| 1972 | 2 |
| 1973 | 6 |
| 1974 | 39 |
| 1975 | 244 |
| 1976 | 297 |
| 1977 | 324 |
| 1978 | 321 |
| 1979 | 277 |
| 1980 | 331 |
| 1981 | 313 |
| 1982 | 309 |
| 1983 | 305 |
| 1984 | 300 |
| 1985 | 397 |
| 1986 | 459 |
| 1987 | 434 |
| 1988 | 442 |
| 1989 | 496 |
| 1990 | 500 |
| 1991 | 495 |
| 1992 | 522 |
| 1993 | 515 |
| 1994 | 584 |
| 1995 | 572 |
| 1996 | 636 |
| 1997 | 768 |
| 1998 | 736 |
| 1999 | 738 |
| 2000 | 866 |
| 2001 | 883 |
| 2002 | 1034 |
| 2003 | 1222 |
| 2004 | 1614 |
| 2005 | 1949 |
| 2006 | 2161 |
| 2007 | 2341 |
| 2008 | 2432 |
| 2009 | 2351 |
| 2010 | 2416 |
| 2011 | 2399 |
| 2012 | 2670 |
| 2013 | 2737 |
| 2014 | 2577 |
| 2015 | 2458 |
| 2016 | 2293 |
| 2017 | 1998 |
| 2018 | 2354 |
| 2019 | 2199 |
| 2020 | 1928 |
| 2021 | 1192 |
| 2022 | 459 |
| 2023 | 291 |
| 2024 | 897 |
| 2025 | 5 |